The top 10 are: the Las Vegas Strip ($8.2 billion, up 17%); Atlantic City ($2.8 billion, up 8.5%); Baltimore-Washington D.C. ($2.2 billion, up 8.7%); the Chicago region spanning parts of Illinois and Indiana ($2.1 billion, up 6.1%); the Mississippi Gulf coast ($1.6 billion, down 0.5%); New York City ($1.5 billion, up ...